Home / 7,434.80-10,259.94-4,031.76

Finding the Fourth Proportional to 7,434.80, 10,259.94 and 4,031.76

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Solution

The fourth proportional to 7,434.80, 10,259.94 and 4,031.76 is: 5,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.80 : 10,259.94 = 4,031.76 : x
  2. Step 2: Convert to fraction form
    7,434.80/10,259.94 = 4,031.76/x
  3. Step 3: Cross multiply
    7,434.80x = 10,259.94 × 4,031.76
  4. Step 4: Simplify right side
    7,434.80x = 41,365,615.69
  5. Step 5: Solve for x
    x = 41,365,615.69/7,434.80
  6. Step 6: Final answer
    x = 5,563.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.